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import time as t
class Mytime():
def __init__(self):
self.prompt = '未开始计时!'
self.lasted = []
self.begin = 0
self.end = 0
self.unit = ['年','月','天','小时','分钟','秒']
def __str__(self):
return self.prompt
__repr__ = __str__
def __add__(self,other):
prompt = '总共运行了'
result = []
for index in range(6):
result.append(self.lasted[index]+other.lasted[index])
if result[index]:
prompt += (str(result[index])+self.unit[index])
return prompt
def start(self):
self.begin = t.localtime()
self.prompt = '提醒:请先调用stop()...' #这条语句的含义是什么以及为什么要写在这里???
print('开始计时...')
def stop(self):
if not self.begin:
print('提醒:请先调用start()...')
else:
self.end = t.localtime()
self._calc()
print('结束计时...')
def _calc(self):
self.lasted = []
self.prompt = '总共运行了'
for index in range(6):
self.lasted.append(self.end[index] - self.begin[index])
if self.lasted[index]:
self.prompt += (str(self.lasted[index]) + self.unit[index])
self.begin = 0
self.end = 0
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